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Brunei Darussalam

Brunei Darussalam does not issue native TINs for CRS/AEOI identification. Instead, official guidance uses functional equivalents: the NRIC number for individuals and ROCBN registration numbers for registered business names, local companies, and foreign branches.

BN BRN 4 TIN types Last reviewed 2026-04-20

TIN types

4 published formats. Open a type to see examples, structure details, and official sources.

Validate Brunei Darussalam TIN
Brunei National Registration Identity Card (NRIC)
Current Individuals

Immigration and National Registration Department (Jabatan Imigresen dan Pendaftaran Kebangsaan)

Functional equivalent used for Brunei citizens, permanent residents, and qualifying foreign nationals instead of a native tax TIN.

Details
Examples
00-123456 51-123456
Where to find it

On the smart identity card.

Common names
NRIC Identity card number
Structure
1-2 Block Identity-card block linked to the card series.
3-8 Serial Six-digit serial number within the relevant block.
Official source
oecd.org mofe.gov.bn immigration.gov.bn
Brunei Registration Number — Sole-proprietorships/Partnerships
Current Entities

Registry of Companies and Business Names (ROCBN), Ministry of Finance and Economy

ROCBN registration number used as Brunei’s CRS functional equivalent for registered sole proprietorships and partnerships.

Details
Examples
P30003271
Where to find it

On the Certificate of Registration and the Business Name Extract.

Common names
Business number
Structure
1 Prefix Fixed prefix identifying a business name registration.
2-9 Serial Eight-digit registration number.
Official source
oecd.org mofe.gov.bn ocp.mofe.gov.bn
Brunei Registration Number — Private/Public Companies
Current Entities

Registry of Companies and Business Names (ROCBN), Ministry of Finance and Economy

ROCBN registration number used as Brunei’s CRS functional equivalent for local private and public companies.

Details
Examples
RC00000043
Where to find it

On the Certificate of Incorporation and the Company Extract.

Common names
Company number
Structure
1-2 Prefix Fixed prefix identifying a locally registered company.
3-10 Serial Eight-digit registration number.
Official source
oecd.org mofe.gov.bn ocp.mofe.gov.bn
Brunei Registration Number — Foreign Branches
Current Entities

Registry of Companies and Business Names (ROCBN), Ministry of Finance and Economy

ROCBN registration number used as Brunei’s CRS functional equivalent for foreign branches registered in Brunei Darussalam.

Details
Examples
RFC00000021
Where to find it

On ROCBN registration documents for the foreign company and in the company record or extract.

Common names
Foreign company number
Structure
1-3 Prefix Fixed prefix identifying a registered foreign company.
4-11 Serial Eight-digit registration number.
Official source
oecd.org mofe.gov.bn ocp.mofe.gov.bn